# load the package
using OpenSlide

# construct path to test file inside of directory
# note: test file is not part of code distribution and must be downloaded separately.

imgfile = Pkg.dir("OpenSlide", "test", "CMU-1-Small-Region.svs")

# load the slide

@time img = OpenSlide.open_slide(imgfile)

# read the entire level

@time imgdata = OpenSlide.read_slide(img);

arraysize(imgdata)

using PyPlot

# Plot a sub-region
# We keep the figure small in order to reduce the size of the notebook, but larger figure size will work fine.
figure(figsize=[2,2])
imshow(imgdata[1200:1500,800:1100,:])

# read a given extent and level (shown for example, but note that this image has only one level!)

@time imgdata2 = OpenSlide.read_slide(img; origin = [1200,800], extent = [300,300], level = 1);

figure(figsize=[2,2])
imshow(imgdata2)

# get image properties

props = OpenSlide.properties(img)

props["tiff.ResolutionUnit"]